American Airlines Flight 1666 Deals & Information (2026/2027)

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American Airlines Flight 1666 Route Deals From $105

The cheapest prices found with in the last 7 days for return flights were $199 and $105 for one-way flights to Los Angeles Intl. for the period specified. Prices and availability are subject to change. Additional terms apply.

Tue, Oct 6 - Tue, Oct 20
ORD
O'Hare Intl.
LAX
Los Angeles Intl.
$199 Roundtrip, found 6 hours ago
$199
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Tue, Oct 6 from O'Hare Intl. to Los Angeles Intl., returning Tue, Oct 20, priced at $199 found 6 hours ago
Tue, Oct 6 - Tue, Oct 20
ORD
O'Hare Intl.
LAX
Los Angeles Intl.
$201 Roundtrip, found 6 hours ago
$201
Roundtrip
found 6 hours ago
Select American Airlines flight, departing Tue, Oct 6 from O'Hare Intl. to Los Angeles Intl., returning Tue, Oct 20, priced at $201 found 6 hours ago
Wed, Sep 2 - Wed, Sep 16
ORD
O'Hare Intl.
LAX
Los Angeles Intl.
$216 Roundtrip, found 20 hours ago
$216
Roundtrip
found 20 hours ago
Select American Airlines flight, departing Wed, Sep 2 from O'Hare Intl. to Los Angeles Intl., returning Wed, Sep 16, priced at $216 found 20 hours ago
Wed, Sep 2 - Wed, Sep 16
ORD
O'Hare Intl.
LAX
Los Angeles Intl.
$222 Roundtrip, found 20 hours ago
$222
Roundtrip
found 20 hours ago
Select American Airlines flight, departing Wed, Sep 2 from O'Hare Intl. to Los Angeles Intl., returning Wed, Sep 16, priced at $222 found 20 hours ago
Wed, Jul 1 - Sat, Jul 4
ORD
O'Hare Intl.
LAX
Los Angeles Intl.
$228 Roundtrip, found 1 hour ago
$228
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Jul 1 from O'Hare Intl. to Los Angeles Intl., returning Sat, Jul 4, priced at $228 found 1 hour ago
Wed, Jul 1 - Sat, Jul 4
ORD
O'Hare Intl.
LAX
Los Angeles Intl.
$238 Roundtrip, found 1 hour ago
$238
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Jul 1 from O'Hare Intl. to Los Angeles Intl., returning Sat, Jul 4, priced at $238 found 1 hour ago
Wed, Jul 1 - Sat, Jul 4
ORD
O'Hare Intl.
LAX
Los Angeles Intl.
$238 Roundtrip, found 1 hour ago
$238
Roundtrip
found 1 hour ago
Select American Airlines flight, departing Wed, Jul 1 from O'Hare Intl. to Los Angeles Intl., returning Sat, Jul 4, priced at $238 found 1 hour ago

Frequently asked questions

What route does flight number AA1666 take?
AA1666 takes several routes. The most popular is Orlando Intl. Airport to Ronald Reagan Washington National Airport (DCA), which is a direct flight. This service takes roughly 2 hours and 8 minutes. However, there are likely to be other flights with the same number that have one or more stops.
What kind of plane is on flight number AA1666?
There's a strong chance you'll be on the Airbus A319 if you're jetting from MCO to DCA, one of a few routes used for flight number AA1666.
If I am not able to travel due to COVID-19, can I change my flight to a later date?
For more info about changing your AA1666 flight with Travelocity, please visit our Customer Service Portal.